{"id":27935,"date":"2021-04-22T16:15:00","date_gmt":"2021-04-22T14:15:00","guid":{"rendered":"https:\/\/perseus.de\/namewreck-vulnerabilities-on-100-million-devices\/"},"modified":"2026-03-31T07:40:57","modified_gmt":"2026-03-31T05:40:57","slug":"namewreck-vulnerabilities-on-100-million-devices","status":"publish","type":"post","link":"https:\/\/perseus.de\/en\/namewreck-vulnerabilities-on-100-million-devices\/","title":{"rendered":"NAME:WRECK vulnerabilities on 100 million devices"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"27935\" class=\"elementor elementor-27935 elementor-22900\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dcf4ec4 e-flex e-con-boxed e-con e-parent\" data-id=\"dcf4ec4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1db58c elementor-widget elementor-widget-image\" data-id=\"e1db58c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"200\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-1024x256.png\" class=\"attachment-large size-large wp-image-27799\" alt=\"\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-1024x256.png 1024w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-300x75.png 300w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-768x192.png 768w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025.png 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1258a43 e-flex e-con-boxed e-con e-parent\" data-id=\"1258a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2de4e88 e-con-full e-flex e-con e-child\" data-id=\"2de4e88\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4982c80 elementor-widget elementor-widget-text-editor\" data-id=\"4982c80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h6>22.04.2021<\/h6>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8348bc5 elementor-widget elementor-widget-heading\" data-id=\"8348bc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">NAME:WRECK vulnerabilities on 100 million devices\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eb03842 e-con-full e-flex e-con e-child\" data-id=\"eb03842\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-91d0988 elementor-widget elementor-widget-text-editor\" data-id=\"91d0988\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Vulnerabilities in TCP\/IP stacks put IoT devices at risk, such as printers or medical devices. German companies are also at risk. <\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f85a5ad e-flex e-con-boxed e-con e-parent\" data-id=\"f85a5ad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fad2031 e-con-full e-flex e-con e-child\" data-id=\"fad2031\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8282d30 elementor-widget elementor-widget-text-editor\" data-id=\"8282d30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>What happened?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ee744d2 e-con-full e-flex e-con e-child\" data-id=\"ee744d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ea6506 elementor-widget elementor-widget-text-editor\" data-id=\"5ea6506\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nine vulnerabilities of medium to critical severity were discovered in a widely used software by security researchers from JSOF and<a href=\"https:\/\/www.bsi.bund.de\/SharedDocs\/Cybersicherheitswarnungen\/DE\/2021\/2021-207948-1032.pdf?__blob=publicationFile&amp;v=2\">Forescout Research Labs<\/a> . The identified vulnerabilities are referred to as &#8220;NAME:WRECK&#8221;. The operating systems &#8220;FreeBSD&#8221;, &#8220;IPNet&#8221;, &#8220;Nucleus NET&#8221; (Siemens) and &#8220;NetX&#8221; are affected. These are commonly used in two types of devices:   <\/p><p> <\/p><ul><li>Those that use technology to control and monitor physical machines and industrial equipment (operational technology).<\/li><li>Devices that can send and receive data over the Internet (Internet of Things).<br>These can include computers, printers, smart watches, and network devices, as well as building automation, industrial engineering, VoIP, medical devices, systems-on-a-chip, energy and power devices in industrial control systems.<\/li><\/ul><p> <\/p><p>The widespread use of the software and the possibility of access via the Internet lead to a significantly increased attack surface. It is believed that around 100 million devices are affected. According to the <a href=\"https:\/\/www.forescout.com\/resources\/namewreck-breaking-and-fixing-dns-implementations\/\">Forescout report<\/a> , Germany is among the top 5 countries with identified exposed devices where Nucleus NET and FreeBSD are used. The healthcare sector and areas with industrial manufacturing processes are particularly at risk.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f1dfa8e e-flex e-con-boxed e-con e-parent\" data-id=\"f1dfa8e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bf4f09a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bf4f09a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a82985c e-flex e-con-boxed e-con e-parent\" data-id=\"a82985c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-482032b e-con-full e-flex e-con e-child\" data-id=\"482032b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b5f6a5c elementor-widget elementor-widget-text-editor\" data-id=\"b5f6a5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>What are the risks for my company from exploiting NAME:WRECK?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8f5d6ed e-con-full e-flex e-con e-child\" data-id=\"8f5d6ed\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-057f5b5 elementor-widget elementor-widget-text-editor\" data-id=\"057f5b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If the attackers successfully exploit the vulnerabilities, there is a possibility that the targeted devices could be taken offline. In the worst case, the attacker can gain control of the devices \u2013 unauthorised and unnoticed by the user. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6237d73 e-flex e-con-boxed e-con e-parent\" data-id=\"6237d73\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9dde6dc elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9dde6dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-02dd0e9 e-flex e-con-boxed e-con e-parent\" data-id=\"02dd0e9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-16d621d e-con-full e-flex e-con e-child\" data-id=\"16d621d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-89904c7 elementor-widget elementor-widget-text-editor\" data-id=\"89904c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Further background on the threat of NAME:WRECK<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fae461d e-con-full e-flex e-con e-child\" data-id=\"fae461d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f04793 elementor-widget elementor-widget-text-editor\" data-id=\"0f04793\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The vulnerabilities affect the DHCP and DNS implementations of the TCP\/IP stacks of the four operating systems mentioned. The TCP\/IP model helps you determine how a particular system should be connected to the Internet and how the data should be transmitted. <\/p><p><em>FreeBSD<\/em><\/p><p>As the researchers point out in their report, FreeBSD is widely known for being used in millions of IT networks for high-performance servers, including major websites such as Netflix and Yahoo. The most common types of devices in the Device Cloud that run FreeBSD include computers, printers, and network devices. <\/p><p><em>Nucleus NET<\/em><\/p><p>Nucleus NET, in turn, is used in numerous IoT and OT devices. The most common device types under Nucleus are building automation, operations engineering, and VoIP. <\/p><p><em>NetX  <\/em><\/p><p>NetX is usually operated with the RTOS ThreadX. Typical applications include medical devices, systems-on-a-chip, and various printer models. Some of the most common types of devices that run ThreadX include printers, smart watches, and power and power devices in industrial control systems.  <\/p><p>These devices and the associated industries are expected to be the most at risk. NAME:WRECK thus seems to be more of a threat to large organizations. <\/p><p>Fortunately, not all versions are vulnerable to what the researchers call the NAME:WRECK threat.<\/p><p>You can find more background on the topic in the <a href=\"https:\/\/www.forescout.com\/resources\/namewreck-breaking-and-fixing-dns-implementations\/\">Forescout report<\/a> .<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cdadbd8 e-flex e-con-boxed e-con e-parent\" data-id=\"cdadbd8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-104dd95 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"104dd95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f6e5251 e-flex e-con-boxed e-con e-parent\" data-id=\"f6e5251\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f1cf26c e-con-full e-flex e-con e-child\" data-id=\"f1cf26c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee082fd elementor-widget elementor-widget-text-editor\" data-id=\"ee082fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>What can I do?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc25934 e-con-full e-flex e-con e-child\" data-id=\"bc25934\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b46b6f elementor-widget elementor-widget-text-editor\" data-id=\"2b46b6f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>First, check if your company uses the software\/firmware mentioned above. If the company is using a specific medical device or building automation system, it is recommended to check the specifications of that device and contact the equipment vendor if in doubt. <\/li><li>Check if your version is affected. The nine vulnerabilities identified by the researchers can be found on page 7 of the <a href=\"https:\/\/www.forescout.com\/resources\/namewreck-breaking-and-fixing-dns-implementations\/\">Forescout report<\/a>. For example, to identify your version of FreeBSD, follow the <a href=\"https:\/\/www.cyberciti.biz\/faq\/how-to-find-out-freebsd-version-and-patch-level-number\/\">instructions<\/a>.  <\/li><li>If the software is detected on any of your devices, it must be updated to the latest version. All vendors of the vulnerable TCP\/IP stacks identified in the report have been notified of these vulnerabilities and have patched them accordingly. <\/li><li>Generally recommended remedies for NAME:WRECK include limiting network exposure of critical vulnerable devices through network segmentation,<\/li><li>Use internal DNS servers.<\/li><li>Device manufacturers who use this software should provide their customers with their own updates. It is important to remember that full protection against NAME:WRECK requires patching devices running the vulnerable versions of the TCP\/IP stacks. <\/li><li>If patching is not possible for you or if you have any questions, you can always contact Perseus as a customer of our emergency assistance.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>22.04.2021 NAME:WRECK vulnerabilities on 100 million devices Vulnerabilities in TCP\/IP stacks put IoT devices at risk, such as printers or medical devices. German companies are also at risk. What happened? Nine vulnerabilities of medium to critical severity were discovered in a widely used software by security researchers from JSOF andForescout Research Labs . The identified [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[64],"tags":[],"class_list":["post-27935","post","type-post","status-publish","format-standard","hentry","category-hazard-warning"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NAME:WRECK vulnerabilities on 100 million devices - Perseus Technologies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/perseus.de\/en\/namewreck-vulnerabilities-on-100-million-devices\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NAME:WRECK vulnerabilities on 100 million devices - Perseus Technologies\" \/>\n<meta property=\"og:description\" content=\"22.04.2021 NAME:WRECK vulnerabilities on 100 million devices Vulnerabilities in TCP\/IP stacks put IoT devices at risk, such as printers or medical devices. German companies are also at risk. What happened? Nine vulnerabilities of medium to critical severity were discovered in a widely used software by security researchers from JSOF andForescout Research Labs . 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